Automatic Chicken Coop Door With Battery BackupCoop Tender Internet WiFi Enabled Automatic Chicken Coop Door is a fusion of advanced micro controller electronics, solid steel drive and time honored wood craftsmanship. Automatically opens your coop door at dawn and securely closes it at dusk, or schedule door open and close times. Solid Steel Acme threaded worm drive for dependable operation. Programmable coop door controller: Program custom options, adjust settings and manually override your door.